screen goes black !

in Genius Bar edited January 2014
help needed, my screen has begun to go black on my 24 inch Imac from 2009.... it does it after some time when i play SCII or other games ... I have been to the store with it and they cant find anything wrong with it .. can u help me plz...

the error report goes like this :

Interval Since Last Panic Report: 97736 sec

Panics Since Last Report: 7

Anonymous UUID: F2575D4E-EDB1-4B6F-AF98-215EF7CFC7D2

Thu Jul 28 18:04:23 2011

panic(cpu 1 caller 0x5d804c97): NVRM[0/2:0:0]: Read Error 0x0061002c: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xd2000000 0x5e790000 0x094700a1, D0, P3/4

Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)

0x5c533cb8 : 0x21b837 (0x5dd7fc 0x5c533cec 0x223ce1 0x0)

0x5c533d08 : 0x5d804c97 (0x5da1a22c 0x5da8a840 0x5da28f88 0x0)

0x5c533da8 : 0x5d91f5db (0x8135804 0x84c9004 0x61002c 0x5d7a4e9f)

0x5c533df8 : 0x5e402251 (0x84c9004 0x61002c 0x6400 0x7269a64)

0x5c533e18 : 0x5d8e3efe (0x84c9004 0x86c2004 0x3800 0x84e7818)

0x5c533e38 : 0x5d98d946 (0x84c9004 0x86c2004 0x1 0x0)

0x5c533ea8 : 0x5d7f5779 (0x84c9004 0x0 0x0 0x0)

0x5c533f48 : 0x5d7a6057 (0x84c9004 0x798c000 0xcf03873b 0x151)

0x5c533f78 : 0x230235 (0x7883000 0x84c9004 0x5c533fc8 0x227cea)

0x5c533fc8 : 0x2a179c (0x863ea0 0x0 0x10 0x8c02c60)

Kernel Extensions in backtrace (with dependencies):>0x5e78ffff





BSD process name corresponding to current thread: kernel_task

Mac OS version:


Kernel version:

Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386

System model name: iMac9,1 (Mac-F2218FC8)

System uptime in nanoseconds: 1450867235855

unloaded kexts:


loaded kexts:\t2.0.2

com.Cycling74.driver.Soundflower\t1.5.1\t1.9.3d0\t2.1.0\t1.0.2d2\t100.12.31\t2.6.2\t1.57\t14\t1.2.0\t3.5.7\t17\t7.0.0\t2.0.5f13\t2.0.5f13\t1.0.20\t11\t1.1.6\t423.91.27\t2.10.6\t2.4.5f3\t2.0.17\t19\t428.42.4\t4.7.0a1\t1.5.1\t170.0.46\t6.3.6\t3.4\t303.8\t2.6.1\t2.6.1\t2.6.1 ysicalUnit\t2.6.1\t2.6.1\t2.6.8\t31.1 eZlib\t1.0.0d1\t1.6.4\t4.7.3\t2.1.7\t4.2.4\t1.4.0\t4.2.4\t4.2.0\t1.3.1\t1.5\t1.3.6\t1.7\t1.3.6\t1.4 t\t142.6.0\t1\t0\t2.1.12\t142 .6.0\t2.4.5f3 - last loaded 80722626715\t17\t10\t14\t 10\t10\t20\t74.2\t2.4.5f3\t10.0.3\t2.0 .5f13\t2.0.5f13\t1.8.3fc2\t1.3\t1.0.10d0\t2.0.5f13\t2.0.5f13\t6.3.6\t2.0.3\t41\t320.1\t1.10\t2.2.7\t3.1.0d5\t4.7.0a1\t1.0.10d0\t1.0.1\t6.3.6\t2.2\t2.2\t2.6.8\t141.5\t141.5 \t2.4.5f3\t2 .4.5f3\t2.4.5f3\t162\t4.2.0\t162 rt\t2.1.0\t4.0.6\t2. 6.8\t1.6\t1.6\t1.6.1\t4.2.4\t3.9.0\t1.2.6\t2.6 .8\t402.1\t2.0\t4.2.6\t2.0.6\t4.2.4\t4.2.4\t1.4.0\t1.6.6\t1.1\t6\t1.0.0d1\t289\t1.6.3\t1.3.6\t2.6.5\t1.3.0

Model: iMac9,1, BootROM IM91.008D.B08, 2 processors, Intel Core 2 Duo, 2.93 GHz, 4 GB, SMC 1.37f3

Graphics: NVIDIA GeForce GT 130, NVIDIA GeForce GT 130, PCIe, 512 MB

Memory Module: global_name

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8E), Broadcom BCM43xx 1.0 (

Bluetooth: Version 2.4.5f3, 2 service, 19 devices, 2 incoming serial ports

Network Service: AirPort, AirPort, en1

Serial ATA Device: WDC WD6400AAKS-40H2B0, 596,17 GB

Serial ATA Device: OPTIARC DVD RW AD-5670S

USB Device: Built-in iSight, 0x05ac (Apple Inc.), 0x8502, 0x24400000 / 2

USB Device: Keyboard Hub, 0x05ac (Apple Inc.), 0x1006, 0x26200000 / 2

USB Device: Apple Keyboard, 0x05ac (Apple Inc.), 0x0221, 0x26220000 / 3

USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x06100000 / 2

USB Device: Bluetooth USB Host Controller, 0x05ac (Apple Inc.), 0x8215, 0x06110000 / 5

USB Device: IR Receiver, 0x05ac (Apple Inc.), 0x8242, 0x04500000 / 3

USB Device: Apple Optical USB Mouse, 0x05ac (Apple Inc.), 0x0304, 0x04100000 / 2

FireWire Device: d2 quadra (button), LaCie, Up to 800 Mb/sec


  • Reply 1 of 4
    MarvinMarvin Posts: 14,200moderator
    Your NVidia graphics drivers are in the backtrace so I'd suspect that your GPU is possibly overheating or the game is causing the driver to crash during play. You can install fan software to run the fans at a higher speed.
  • Reply 2 of 4
    mysticmystic Posts: 514member
    Your power supply is going bad.
  • Reply 3 of 4
    Is there anything in particular you guys look at to know what kind of error is occurring?
  • Reply 4 of 4
    tallest skiltallest skil Posts: 43,399member
    Originally Posted by accessoriesguy View Post

    Is there anything in particular you guys look at to know what kind of error is occurring?

    This, I believe.

    Originally Posted by Your Kernel Panic

    Kernel Extensions in backtrace (with dependencies):

    Checking these can lead to a better understanding of where something went wrong, even if it doesn't tell the whole story.
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